<template>
  <!-- 用户页顶部条 -->
  <div style="height: 6vh;background-color:#fff;padding:10px 20px;">
    <span style="line-height:60px;font-size: 20px;">用户管理</span>
    <el-button @click="dialogVisible=true" type="primary"
               style="float:right;margin-top:13px;">新建用户</el-button>
  </div>
  <!-- 新增用户弹窗 -->
  <el-dialog :title="dialogTitle" v-model="dialogVisible" :before-close="handleClose"
             style="width:1000px;padding:40px;">
    <el-form label-width="80px" label-position="top">
      <el-row :gutter="10">
       <el-col :span="12">
         <el-form-item label="用户名">
           <el-input placeholder="请输入用户名"
                     v-model="saveUserForm.username" :disabled="saveUserForm.id!=null"></el-input>
         </el-form-item>
       </el-col>
       <el-col :span="12">
         <el-form-item label="手机号">
           <el-input placeholder="请输入手机号" v-model="saveUserForm.phone"></el-input>
         </el-form-item>
       </el-col>
      </el-row>
      <el-row :gutter="10">
        <el-col :span="12">
          <el-form-item label="邮箱">
            <el-input placeholder="请输入邮箱" v-model="saveUserForm.email"></el-input>
          </el-form-item>
        </el-col>
        <el-col :span="12">
          <el-form-item label="年龄">
            <el-input placeholder="请输入年龄" v-model="saveUserForm.age"></el-input>
          </el-form-item>
        </el-col>
      </el-row>
      <el-row :gutter="10">
       <el-col :span="6">
          <el-form-item label="职级">
            <el-select placeholder="请选择" v-model="saveUserForm.level" @change="loadLeader">
<!--              <el-option label="职员" value="10"></el-option>-->
<!--              <el-option label="经理" value="20"></el-option>-->
<!--              <el-option label="总监" value="30"></el-option>-->
<!--              <el-option label="总裁" value="40"></el-option>-->
              <el-option v-for="item in levelOptions"
                         :label="item.label" :value="item.value"></el-option>
            </el-select>
          </el-form-item>
       </el-col>
       <el-col :span="6">
          <el-form-item label="直属领导">
            <el-select placeholder="请选择" v-model="saveUserForm.parentId">
              <el-option v-for="item in leaderOption"
              :label="item.username" :value="item.id"></el-option>
            </el-select>
          </el-form-item>
        </el-col>
        <el-col :span="4">
          <el-form-item label="性别">
            <el-radio-group v-model="saveUserForm.gender">
              <el-radio value="1" border style="margin:0;">男</el-radio>
              <el-radio value="0" border>女</el-radio>
            </el-radio-group>
          </el-form-item>
        </el-col>
        <el-col :span="6">
          <el-form-item label="用户状态">
            <el-radio-group v-model="saveUserForm.status">
              <el-radio value="1" border style="margin:0;">启用</el-radio>
              <el-radio value="0" border>禁用</el-radio>
            </el-radio-group>
          </el-form-item>
        </el-col>
      </el-row>
    </el-form>
    <template #footer>
      <el-button @click="handleClose">取消</el-button>
      <el-button type="primary" @click="saveUser">保存</el-button>
    </template>
  </el-dialog>

  <!-- 用户查询卡片 -->
  <el-card style="margin: 20px;height: 70px;">
    <el-form :inline="true">
      <el-form-item label="用户搜索">
        <el-input placeholder="请输入用户名"
                  style="width: 220px;" v-model="searchUserForm.username" @keydown.enter="loadUser"></el-input>
      </el-form-item>
      <el-form-item label="用户状态" style="width: 290px;">
        <el-select placeholder="请选择用户状态" v-model="searchUserForm.status" @change="loadUser">
          <el-option label="启用" value="1"></el-option>
          <el-option label="禁用" value="0"></el-option>
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button @click="resetSearch">重置</el-button>
        <el-button type="primary" @click="loadUser">查询</el-button>
      </el-form-item>
    </el-form>
  </el-card>
  <!-- 显示用户信息表格 -->
  <el-card style="margin:20px;">
    <el-table :data="userArr">
      <el-table-column type="index" label="编号" width="80" align="center"></el-table-column>
      <el-table-column prop="username" label="用户名" align="center"></el-table-column>
      <el-table-column prop="phone" label="手机号" align="center"></el-table-column>
      <el-table-column prop="createTime" label="加入时间" align="center"></el-table-column>
      <el-table-column prop="status" label="用户状态" align="center">
        <template #default="scope">
          <el-switch active-value="1" inactive-value="0"
                     v-model="scope.row.status" :disabled="scope.row.level==40"
                     @change="changeStatus(scope.row.id,scope.row.status)"
          ></el-switch>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center">
        <template #default="scope">
          <el-button link type="primary" size="small"
                     :disabled="scope.row.level==40" @click="resetPassword(scope.row.id)">密码重置</el-button>
          <el-button link type="primary" size="small"
                     :disabled="scope.row.level==40" @click="editUser(scope.row.id)">编辑</el-button>
          <el-button link type="primary" size="small"
                     :disabled="scope.row.level==40" @click="deleteUser(scope.row.id)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>
  </el-card>
</template>

<script setup>
import {onMounted, ref} from "vue";
import qs from "qs";
import axios from "axios";
import {ElMessage} from "element-plus";

//定义变量控制弹窗标题
const dialogTitle = ref('新建用户');
//定义变量控制弹窗是否显示
const dialogVisible = ref(false);
//定义数组维护员工职级
const levelOptions = ref([
  {label:'职员',value:'10'},
  {label:'经理',value:'20'},
  {label:'总监',value:'30'}
]);
//定义数组保存直属领导数据
const leaderOption = ref([
  {username:'shaoyun',id:1},
  {username:'mike',id:2}
]);

//准备对象用来收集新增/修改员工的表单信息
const saveUserForm = ref({
  username:'',
  phone:'',
  email:'',
  age:'',
  level:'',
  parentId:'',
  gender:'1',
  status:'1'
});
//新增+更新员工
const saveUser = ()=>{
  let data = qs.stringify(saveUserForm.value);
  console.log(data);
  axios.post(BASE_URL+'/v1/user/insert',data).then((response)=>{
    if(response.data.code==2002){
      ElMessage.success('保存成功!');
      dialogVisible.value = false;//关闭弹窗
      saveUserForm.value = {};//清空表单输入数据,防止新增成功后还是上一个用户的数据
      loadUser();
    }else{
      ElMessage.error(response.data.msg);
    }
  })
}

//实现关闭功能
const handleClose = ()=>{
  if (confirm('是否关闭本窗口?')){
    //用户确认关闭后,将弹窗关闭且将表单数据清空
    dialogVisible.value=false;
    saveUserForm.value = {};
  }
}

//定义数组用来装用户列表数据
const userArr = ref([]);
//定义对象保存查询条件
const searchUserForm = ref({username:'',status:''})
//定义加载用户的方法
const loadUser = ()=>{
  //有条件则根据条件查员工数据,没有条件默认查所有员工数据
  let data = qs.stringify(searchUserForm.value);
  axios.get(BASE_URL+'/v1/user/select?'+data).then((response)=>{
    if(response.data.code==2002){
      userArr.value = response.data.data;
    }else{
      ElMessage.error(response.data.msg);
    }
  })
}
//页面一加载立即请求加载用户数据
onMounted(()=>{
  loadUser();
})
//重置用户搜索信息
const resetSearch = ()=>{
  searchUserForm.value = {};//清空用户搜索表单数据
  loadUser();//重新加载用户数据
}
//根据职级查询可选择的直属领导
const loadLeader = ()=>{
  //优化:如果已经选择了直属领导,想重新选择直属领导,就需要将之前选择职级与领导数据清空
  leaderOption.value = [];
  saveUserForm.value.parentId='';
  let level = parseInt(saveUserForm.value.level)+10;
  console.log(level);
  axios.get(BASE_URL+'/v1/user/select?level='+level).then((response)=>{
    if (response.data.code==2002){
      leaderOption.value = response.data.data;
    }else{
      ElMessage.error(response.data.msg);
    }
  })
}
//密码重置
const resetPassword = (userId)=>{
  axios.post(BASE_URL+'/v1/user/update/password/'+userId)
      .then((response)=>{
        if (response.data.code == 2002){
          ElMessage.success('重置成功!')
        }else{
          ElMessage.error(response.data.msg)
        }
      })
}
//编辑员工
const editUser = (id)=>{
  //设置弹窗出现且修改弹窗标题
  dialogVisible.value = true;
  dialogTitle.value = '编辑员工';
  //根据id获取当前要修改的用户信息
  axios.get(BASE_URL+'/v1/user/select?id='+id).then((response)=>{
    if (response.data.code==2002){
      //如果请求成功,后端返回的是list,我们需要唯一的那条数据,所以需要data[0]
      saveUserForm.value = response.data.data[0];
      //准备当前员工直属领导的职级(+10)
      let level = parseInt(saveUserForm.value.level)+10;
      //第一次打开编辑窗口也需要加载当前职级的可选领导
      axios.get(BASE_URL+'/v1/user/select?level='+level).then((response)=>{
        if (response.data.code==2002){
          leaderOption.value = response.data.data;
        }else{
          ElMessage.error(response.data.msg);
        }
      })
    }else{
      ElMessage.error(response.data.msg);
    }
  })
}

//修改员工状态
const changeStatus = (userId,status)=>{
  axios.post(BASE_URL+'/v1/user/update/status/'+userId+'/'+status)
      .then((response)=>{
    if (response.data.code==2002){
      ElMessage.success('修改成功!');
    }else{
      ElMessage.error(response.data.msg);
      //数据库没修改成功的话,需要将页面当前用户状态重置为修改前的状态
      //user.status = !user.status;
    }
  })
}
//删除用户方法
const deleteUser = (userId)=>{
  if (confirm('您确认要删除该用户吗?')){
    axios.post(BASE_URL+'/v1/user/delete/'+userId).then((response)=>{
      if (response.data.code==2002){
        ElMessage.success('删除成功!');
        loadUser()
      }else{
        ElMessage.error(response.data.msg);
      }
    })
  }
}

</script>

<style scoped>

</style>